<?php

header("Access-Control-Allow-Origin:*");
/*
  参数:
  cid //课时名称
  uid //学生编号
 */
require_once '../../dz_framework/init.php';

$hid = isset($_GET['hid']) ? $_GET['hid'] : '';
$tid = isset($_GET['tid']) ? $_GET['tid'] : '';
$ktime = isset($_GET['startTime']) ? $_GET['startTime'] : '';

$tid_info = DB::fetch_first("select item_content,type from " . DB::table('study_item') . " where tid='" . $tid . "'");
$choice_info = unserialize($tid_info['item_content']);
foreach ($choice_info as $key => $value) {
    $choice_array[$key] = 0;
}
if ($tid_info['type'] == 3) {
    $choice_array[0] = 0;
    $choice_array[1] = 0;
}
$news_choice_count = $choice_array;

$all_student_exam_info = DB::fetch_all("select * from " . DB::table('student_exam') . " where h_id='" . $hid . "' and ktime='" . $ktime . "'");

foreach ($choice_array as $key => $value) {
    foreach ($all_student_exam_info as $k => $v) {
        $sdaan = '';
        $sdaan = unserialize($v['daan']);
        //echo $sdaan[$tid]['choice'].'-'.$key.'|';
        if ($sdaan[$tid]['choice'] != '-1') {
            if (strexists((string) $sdaan[$tid]['choice'], (string) $key)) {
                $news_choice_count[$key] = $news_choice_count[$key] + 1;
            }
        }
    }
}
$count_num['data'] = $news_choice_count;
echo json_encode($count_num);
//print_r($news_choice_count);
//{
//data:[33,22,7,34]
//}